MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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6011 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
ResolveMesh Compatibility Intelligence

Read-only, source-backed compatibility lookups and approved changes for ResolveMesh's catalog.

OtherData access / search

Responded484 ms12 / 22
IMPOSSIBREW

UK alcohol-free beer: product facts, comparisons, stockists, Shopify basket links and order help.

E-commerceData access / search

Responded490 ms12 / 22
Garage Sales Search

Find garage sales and publish seller-verified listings directly from AI assistants.

OtherData access / search

Responded491 ms12 / 22
Responded496 ms12 / 22
Vikenda — what's on in Niagara-on-the-Lake

Accuracy-first what's-on guide for Niagara-on-the-Lake: verified events, venues, search, planning.

OtherData access / search

Responded502 ms12 / 22
SpecProof

SpecProof: Search standards specs with MCP-ready precision.

Developer ToolsData access / search

Responded502 ms12 / 22
Rate-My-Agent

Get matched with a top-rated, review-verified real estate agent in the US or Canada.

Real Estate & PropertyData access / search

Responded503 ms12 / 22
AI Architectures

Search ~500 free house plans and have AI-drafted CAD floor plans (DXF, DWG, PDF) drawn and changed.

Developer ToolsData access / search

Responded504 ms12 / 22
Dom Kozak: pDOOH and Built for MENA

Search Dom Kozak's Built for MENA podcast and pDOOH 101/201 lessons, with quotes and source links.

EducationData access / search

Responded508 ms12 / 22
Healthparse Healthcare Data Gateway

Pay-per-call US healthcare data: hospital financials, prices, quality, exclusions, wages.

HealthcareData access / search

Responded511 ms12 / 22
Deadline Desk

US retail return/warranty/cancel policy lookup with cited text and TRACE receipts.

E-commerceData access / search

Responded517 ms12 / 22
HostVeritas Hosting Research

Search and compare public hosting-provider facts with sources and explicit unknowns.

OtherData access / search

Responded519 ms12 / 22
MyDramaDB Korean Drama Data

Look up a Korean drama by title, find out who played a character, or check an actor's other credits.

Developer ToolsData access / search

Responded519 ms12 / 22
River Water Watch

Score a river cruise date against daily water levels on the Rhine, Danube, Elbe and Seine.

TravelData access / search

Responded520 ms12 / 22
Applysent

Search jobs, preview each application and apply with your OK on Workday, Greenhouse, Ashby and more.

OtherData access / search

Responded522 ms12 / 22
WeProxy

Turkey-focused proxy catalog: product picker, pricing, country coverage, error diagnosis. No key.

HealthcareData access / search

Responded525 ms12 / 22
LossHQ Directory

Search certified insurance appraisers and umpires by state, city, role and specialty.

OtherData access / search

Responded527 ms12 / 22
Yeow business index

Search 6.2M US businesses and nonprofits (SBA PPP, IRS Pub 78). Sourced fields. No personal data.

OtherData access / search

Responded527 ms12 / 22
Cubbie Club Offers

Baby & kids brand discount codes from Cubbie Club. Search by brand or keyword for a deal link.

OtherData access / search

Responded537 ms12 / 22
cn.pianam/hot-trending-mcp

MCP server for real-time Chinese internet hot-search and trending boards across major platforms.

Developer ToolsData access / search

Responded539 ms12 / 22
Chamfer: CNC machining, molding, sheet metal and PCB RFQs; MRO parts by part number

RFQs shops can quote for machined, molded, sheet metal and PCB parts; MRO parts by part number.

E-commerceData access / search

Responded539 ms12 / 22
ATC, All Things Crypto

Search and quote every ATC show on X Spaces: crypto, markets and AI talk, with speakers and links.

Finance & CryptoData access / search

Responded546 ms12 / 22
Caliper money calculators

Net worth percentile by age (Federal Reserve data) and retirement savings calculators. Free.

GovernmentData access / search

Responded548 ms12 / 22
com.scrap-autos/scrap-autos-mcp

Instant Canadian scrap-car value quotes by year/make/model, provincial rates, and pickup leads.

Marketing & SalesData access / search

Responded549 ms12 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence